The vsync tag has no wiki summary.
8
votes
1answer
3k views
VSync / real 30FPS on Android
I'm working on a game which can't run at Full speed on some devices. On Tegra2, with many optimizations, performance is near 40 fps. The framerate is stable but animations aren't smooth enough, so i ...
6
votes
2answers
3k views
How to turn off vsync in XNA 4.0?
I created a FpsCounter DrawableGameComponent (linked to code, it's longish). It seems to work great, it displays 60.0 fps normally, and if I artificially slow down the game loop then it drops.
Given ...
3
votes
3answers
249 views
How precise should timers in update loops be?
What is the suggestion of "enough precision" in a timer for a fixed game update loop?
Currently I'm testing with this code, but it sometimes misses 1-2 updates @ 50hz. While at 30hz it seems to work ...
3
votes
2answers
787 views
Disable V-sync in WebGL?
Normally my app runs at 60 fps, But when I add some simple models it decreases to 40fps.
I think v-sync on, which is might be causing it to run slower.
Is there any way to disable v-sync in WebGL?
...
3
votes
1answer
127 views
Weird stuttering with fixed-timestep, variable-framerate game loop
I've been trying to set up fixed-timestep loop for my game, using the technique from here. I have no need for the interpolation step as I intend to run the logic at or above vsync speed.
Here is a ...
3
votes
3answers
2k views
Non blocking Vsync in direct3d
I have direct3d application with a direct3d PRESENTATION_INTERVAL_ONE implementation. Pitty, its blocking and eating my CPU waiting for a Present. I ended up searching for Raster scan solutions, ...
3
votes
0answers
62 views
DirectX9 thread lock problem with “present” and background loading new textures
Given:
Selfmade 3D engine based on DirectX9 written in C++
Task:
While render loop runs load additional textures in a background thread
Current Implementation:
- Create device with ...
2
votes
2answers
772 views
Why is OpenGL using 100% CPU shortly after start up when wglSwapIntervalEXT is enabled?
I have a game which uses SFML, which in turn uses OpenGL.
When I run the game, it will use 100% CPU for (usually) about 24 seconds, and then immediately falls down to normal usage. I can't figure out ...
2
votes
1answer
164 views
Procedurally generating terrain in dead time before buffer swap
I'm using OpenGL/C++ in Windows, and my main loop looks like this:
GLboolean done = GL_FALSE;
auto_ptr l_world(new World);
l_world->Init();
while (!done) {
if ...
2
votes
2answers
519 views
Causes of screen tearing and vsync
Is there an explanation of whats going on from the software down to the hardware that explains tearing? One would think that the graphics card would just tell the LCD display to change whenever it ...
1
vote
0answers
239 views
GetRasterStatus usage in direct3d
I am interested if anyone has had used GetrasterStatus in direct3d application to control application vsync behaviour in high precision timing? What set of techniques are to be implemented to do the ...
0
votes
3answers
390 views
How does a game's frame rate change for each missed vsync?
I seem to remember reading somewhere that a game's frame rate is halved each time it misses a vsync. In other words, the number of frames per second decreases to 1/2, 1/4, and 1/8 the normal rate for ...
0
votes
2answers
1k views
Fullscreen + Vsync = Stuttering
In my research for a stuttering problem in my game engine, I think, I have found the problem, but don't have any idea why this is happening, that's why I ask you if you have an idea !
The situation :
...
